1245322015

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 1786224960

約数和(自身を除く): 540902945

約数列:

[1, 5, 7, 35, 49, 61, 103, 245, 305, 427, 515, 721, 809, 2135, 2989, 3605, 4045, 5047, 5663, 6283, 14945, 25235, 28315, 31415, 39641, 43981, 49349, 83327, 198205, 219905, 246745, 307867, 345443, 416635, 583289, 1539335, 1727215, 2418101, 2916445, 4083023, 5082947, 12090505, 20415115, 25414735, 35580629, 177903145, 249064403, 1245322015]

約数ペア:

[(1, 1245322015), (5, 249064403), (7, 177903145), (35, 35580629), (49, 25414735), (61, 20415115), (103, 12090505), (245, 5082947), (305, 4083023), (427, 2916445), (515, 2418101), (721, 1727215), (809, 1539335), (2135, 583289), (2989, 416635), (3605, 345443), (4045, 307867), (5047, 246745), (5663, 219905), (6283, 198205), (14945, 83327), (25235, 49349), (28315, 43981), (31415, 39641)]